3x-12=-30-4x

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Solution for 3x-12=-30-4x equation:


Simplifying
3x + -12 = -30 + -4x

Reorder the terms:
-12 + 3x = -30 + -4x

Solving
-12 + 3x = -30 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
-12 + 3x + 4x = -30 + -4x + 4x

Combine like terms: 3x + 4x = 7x
-12 + 7x = -30 + -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + 7x = -30 + 0
-12 + 7x = -30

Add '12' to each side of the equation.
-12 + 12 + 7x = -30 + 12

Combine like terms: -12 + 12 = 0
0 + 7x = -30 + 12
7x = -30 + 12

Combine like terms: -30 + 12 = -18
7x = -18

Divide each side by '7'.
x = -2.571428571

Simplifying
x = -2.571428571

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